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Stormwater Inlet

Contents

High-Capacity Stormwater Inlets: Reduce Flood Risk & Maintenance Costs by 40%

Engineered for municipal, commercial, and industrial site managers who need reliable, cost-effective drainage solutions that meet local ASTM, AASHTO, and DOT specifications.

Get Your Free Project Quote & Specification Sheet

Response within 24 hours. All quotes include FOB China pricing, lead time, and compliance documentation.

The Hidden Costs of Compromising on Stormwater Inlet Quality

Selecting the wrong storm drain inlet or catch basin grate isn't just an installation error—it's a long-term financial liability. For Purchasing and Operations Managers, the initial price tag is only part of the equation.

  • Sky-High Replacement Costs: Inferior cast iron or polymer grates crack under heavy traffic, forcing full basin reconstruction. A single premature replacement can erase 5 years of perceived "savings."
  • Clog-Induced Flooding & Liability: Poorly designed grating and inadequate debris capacity lead to frequent clogs. The result? Parking lot floods, property damage, and slip-and-fall lawsuit exposure.
  • Labor-Intensive Maintenance: Grates that are difficult to lift and clean waste crew hours. In the USA, a single hour of municipal labor can cost $75+ in wages and overhead.
  • Non-Compliance Fines: Products that don't meet local load ratings (H-20, HS-20) or NPDES (National Pollutant Discharge Elimination System) stormwater regulations can trigger costly fines and project delays.
  • Inconsistent Supply & Delays: Unreliable suppliers cause project stoppages. Delays in stormwater management infrastructure can hold up entire site development approvals.

Bottom Line: The cheapest inlet often becomes the most expensive asset on your balance sheet.

Engineered for Excellence: The Jinzehong Stormwater Inlet Solution

Since 2000, Jinzehong has combined China's manufacturing efficiency with rigorous international quality standards to deliver stormwater drainage inlets that perform where it matters most.

Core Advantages for Your Project

  • Powerful Factory Direct Pricing: Eliminate middleman markups. Our integrated production from raw steel to finished grating and frame ensures you get superior value without the premium price.
  • Uncompromising Quality Assurance: Every catch basin and grate is manufactured from certified materials (Ductile Iron, ASTM A536; Stainless Steel, 304/316). We perform batch load-testing to meet or exceed AASHTO M306 standards.
  • Full OEM/ODM & Custom Design: Need a specific size, load rating, or logo imprint? Our engineering team adapts to your site plan and drainage design requirements. Send us your CAD file for a rapid prototype.
  • High-Speed, Reliable Delivery: With an average container loading time of 7 days and established partnerships with major freight forwarders, we guarantee on-time delivery to US ports like LA, Long Beach, and Savannah.
  • Complete Product Ecosystem: From trench drains and channel drains to curb inlets and parking lot drains, we provide a unified system that simplifies your procurement and ensures compatibility.

Technical Specifications at a Glance

Product Type Material Standard Load Rating Common Sizes (Inches) Surface Treatment
Heavy-Duty Grate & Frame Ductile Iron (Grade 65-45-12) HS-20, H-20 24"x24", 36"x36" Hot-Dip Galvanized, Epoxy Coating
Standard Grate Gray Cast Iron, Stainless Steel H-10, B (Pedestrian) 12"x12", 18"x18" Bituminous Coating, Paint
Curb Inlet Grate Ductile Iron / Steel HS-20 Custom Lengths Hot-Dip Galvanized

Application Scenarios

Municipal Road Projects: Our HS-20 rated inlets handle constant truck traffic, with anti-theft locking mechanisms as standard.

Commercial Parking Lots: High hydraulic capacity design reduces ponding, while sleek grating profiles enhance site aesthetics.

Industrial Facilities: Chemical-resistant coatings (epoxy, stainless steel) withstand harsh runoff, supporting compliance with EPA industrial stormwater permits.

Warehouse & Logistics Yards: Ultra-heavy-duty designs for areas with container handlers and heavy forklifts.

Trusted by Infrastructure & Development Leaders

"Jinzehong's inlets provided the specification compliance we needed at a cost that kept our municipal budget on track." – Project Manager, Southeast US City Council

Selected Clients & Partners: [Municipal DOTs] | [National Construction Firms] | [Commercial Property Developers] | [Landscape Architecture Firms]

Our Commitment to Compliance & Quality

We ensure our manufacturing and products align with global trade and quality standards, providing you with peace of mind.

  • ISO 9001:2015 Certified Quality Management System.
  • Materials comply with RoHS directives.
  • Products manufactured to meet ASTM and AASHTO specifications for seamless approval by your local engineer.
  • Comprehensive Mill Test Certificates (MTC) and Certificates of Compliance (COC) provided with every shipment.

Stormwater Inlet FAQ: Your Procurement Questions Answered

Q: What is your typical MOQ and lead time for a container order?

A: Our standard Minimum Order Quantity is one 20ft or 40ft container, which can be mixed with various inlet types and sizes. Standard product lead time is 25-30 days FOB Tianjin/Xingang. Custom designs require approximately 35-45 days.

Mil 3 Hesco Barrier, Flood Protection Wall Factory

Q: Can you provide products that meet specific state DOT (Department of Transportation) details?

A: Absolutely. We regularly produce inlets to Florida DOT, Texas DOT, and Caltrans standards. Provide the standard detail number or drawing, and our engineers will confirm feasibility and pricing.

Q: What are the payment terms and how does shipping work?

A: Standard terms: 30% T/T deposit, 70% balance against copy of Bill of Lading. We handle FOB port delivery and can recommend freight forwarders for door-to-door DDP shipping to your site in the USA. All Incoterms 2020 are available.

Q: Do you offer samples for testing and approval?

A: Yes. We provide sample grates for a nominal fee (credited against your first order). Shipping for samples is typically DHL/FedEx, arriving in 5-7 days.

Q: What is your warranty and after-sales service?

A: We offer a 5-year warranty against manufacturing defects. Our after-sales team provides support for installation guidance and handles any quality concerns promptly, including replacement part dispatch if needed.

Stop Overpaying for Stormwater Infrastructure

Limited-Time Offer for New Clients: Request a quote this month and receive a free, non-obligatory hydraulic capacity calculation for your project site.

Get factory-direct pricing, certified quality, and a reliable supply chain partner—all in one place.

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